28413040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 70397280

約数和(自身を除く): 41984240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 37, 40, 58, 74, 80, 116, 145, 148, 185, 232, 290, 296, 331, 370, 464, 580, 592, 662, 740, 1073, 1160, 1324, 1480, 1655, 2146, 2320, 2648, 2960, 3310, 4292, 5296, 5365, 6620, 8584, 9599, 10730, 12247, 13240, 17168, 19198, 21460, 24494, 26480, 38396, 42920, 47995, 48988, 61235, 76792, 85840, 95990, 97976, 122470, 153584, 191980, 195952, 244940, 355163, 383960, 489880, 710326, 767920, 979760, 1420652, 1775815, 2841304, 3551630, 5682608, 7103260, 14206520, 28413040]

約数ペア:

[(1, 28413040), (2, 14206520), (4, 7103260), (5, 5682608), (8, 3551630), (10, 2841304), (16, 1775815), (20, 1420652), (29, 979760), (37, 767920), (40, 710326), (58, 489880), (74, 383960), (80, 355163), (116, 244940), (145, 195952), (148, 191980), (185, 153584), (232, 122470), (290, 97976), (296, 95990), (331, 85840), (370, 76792), (464, 61235), (580, 48988), (592, 47995), (662, 42920), (740, 38396), (1073, 26480), (1160, 24494), (1324, 21460), (1480, 19198), (1655, 17168), (2146, 13240), (2320, 12247), (2648, 10730), (2960, 9599), (3310, 8584), (4292, 6620), (5296, 5365)]